Stories about: PayPal

More than 300 Web sites are being pestered by infected computers that are part of the Pushdo botnet, according to security researchers.

While the risk of being hacked, conned or having sensitive information stolen is possible all through the year, most security experts agree that the holiday season brings a spike in fraudulent activity, both online and off.

Alleged internal documents and sensitive information from Twitter and its employees might be posted today on news sites and other Web outlets. The source of this information is a French hacker who goes by the name of Hacker Croll. The cybercriminal claims to have accessed personally sensitive information for several Twitter employees including personal accounts on PayPal, Amazon, AT&T, MobileMe, Facebook, business Gmail accounts, and the Web registrar account for Twitter.com, according to the French blog Korben.

When security expert Bruce Schneier tried to sell a used laptop on eBay, he thought it would be easy. Instead, a sale was aborted twice -- first by a scammer using a hacked eBay account and then by a buyer who tried to trick Schneier into sending her the laptop after she cancelled payment.

The Kantara Initiative, formed to promote interoperability among identity verification applications and services, launched on Wednesday with big-name backers like Oracle, Intel, eBay's PayPal, AOL, CA, Novell, Fidelity Investments, Liberty Alliance, Boeing, Internet Society and British Telecom.

An employee of search engine startup Mahalo has been sentenced to four years in prison for infecting as many as 250,000 computers with malicious botnet computer code.

Jason Calacanis, founder and CEO of search engine start-up Mahalo.com, defends his decision to allow former security researcher John Scheifer to continuing working at his firm even after discovering he was a convicted felon.

A researcher has found a convincing way to hack the Secure Sockets Layer (SSL) protocol used to secure logins to a range of websites, including e-commerce and banking sites.

Internet security gurus and leading vendors are urging the US federal government to rapidly deploy security and authentication mechanisms at the top level of the DNS hierarchy, which is known as the root zone.

The Web sites of three of the security industry's best-known companies include security flaws that could be used to launch scams against customers, according to a new report.